For a polynomial p(x) = anx" + an-1xn-1 +... + a₁x + ao with a; E F and square matrix A with entries in F, define p(A) by p(A) = an A+an-1A-1 + + a₁A+aoI. Let A € Mnxn(C) be diagonalizable and c(x) the characteristic polynomial of A. Then show (ie, prove) that c(A) = 0, where O is the n x n zero matrix.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 4E
icon
Related questions
Question
For a polynomial p(x) = anx" + an-1xn-¹ +... + a₁x + ao with a; E F and square matrix A
with entries in F, define p(A) by
n-1
p(A) = anA" + an-1 An + + a₁A + aoI.
Let A € Mnxn (C) be diagonalizable and c(x) the characteristic polynomial of A. Then show
(ie, prove) that c(A) = O, where O is the n x n zero matrix.
Transcribed Image Text:For a polynomial p(x) = anx" + an-1xn-¹ +... + a₁x + ao with a; E F and square matrix A with entries in F, define p(A) by n-1 p(A) = anA" + an-1 An + + a₁A + aoI. Let A € Mnxn (C) be diagonalizable and c(x) the characteristic polynomial of A. Then show (ie, prove) that c(A) = O, where O is the n x n zero matrix.
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage